int[] pixelArray;
int w,h;
bufImg = javax.imageio.ImageIO.read(new File("bild.gif"));
w = bufImg.getWidth();
h = bufImg.getHeight();
try
{
pg = new PixelGrabber(bufImg,0,0,w,h,pixelArray,0,w);
pg.grabPixels();
}
catch(Exception e)
{
....
}
pixelArray[x+y*w];